<?php
/**
 * Created by PhpStorm.
 * User: zhu_hbo
 * Date: 16/10/8
 * Time: 下午3:56
 */

$x = "hello world";
$x1 = "what a fun day!";
echo $x."! ".$x1;
echo "<p>";
echo strlen($x);
echo "<p>";
echo strpos($x, "h");

?>